On determining the cross section of the supposed pentaquark in the reaction pp pK0 M. Schulte-Wissermann, P. Czodrowski, B. Lehnert, M. Morgenstern and H. FreieslebenEur. Phys. J. A, 50 7 (2014) 109DOI: https://doi.org/10.1140/epja/i2014-14109-7